public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value,
Type destinationType)
{
var article = (ArticleState)value;
if (article != null)
{
var dto = new ArticleDto
{
Id = article.Id,
Created = article.Created,
Text = article.Text,
Description = article.Description,
Title = article.Title
};
if (article.Comments != null)
{
dto.Comments =
(from c in article.Comments
select
new CommentDto { Created = c.Created, Id = c.Id, Text = c.Text, ArticleId = article.Id })
.ToList();
}
return dto;
}
return null;
}
public static List<ArticleDto> GetFakeArticles()
{
var articles = new List<ArticleDto>();
for (int i = 0; i < 32; i++)
{
var article = new ArticleDto
{
Description = "Test description " + i,
Created = DateTime.Today + TimeSpan.FromHours(i),
Id = Guid.NewGuid(),
Text = "Test text " + i,
Title = "Test title " + i,
Comments = new List<CommentDto>()
};
for (int j = 0; j < 32; j++)
{
article.Comments.Add(new CommentDto
{
ArticleId = article.Id,
Created = DateTime.Today + TimeSpan.FromHours(j),
Id = Guid.NewGuid(),
Text = "Comment text " + i + "-" + j
});
}
articles.Add(article);
}
return articles;
}
public ArticleViewModel(IClientService clientService)
{
_clientService = clientService;
ArticleDto = new ArticleDto
{
Id = Guid.Empty,
Created = DateTime.Today,
Description = "",
Text = "",
Title = "Новая статья",
Comments = new List<CommentDto>()
};
SubscribeToGuiMessages();
}
public Article CreateArticle(ArticleDto articleDto)
{
var state = _mappingService.Map<ArticleState>(articleDto);
Article article = Article.Create(state);
string[] errors;
if (!_articleValidator.Validate(article, out errors))
{
throw new ArgumentException(string.Join("\n", errors));
}
if (article.Comments != null)
{
if (article.Comments.Any(comment => !_commentValidator.Validate(comment, out errors)))
{
throw new ArgumentException(string.Join("\n", errors));
}
}
return article;
}
protected override void ProcessRecord()
{
try
{
var articleDto = new ArticleDto
{
Id = Guid.NewGuid(),
Title = Title,
Text = Text
};
Client.NewArticle(articleDto);
WriteVerbose("Статья c id " + articleDto.Id + " добавлена");
WriteObject(new { Article = articleDto.Id });
}
catch (DataServiceException ex)
{
Console.WriteLine("Не удалось добавить статью:" + ex.Message);
}
}
public void NewArticle(ArticleDto article)
{
try
{
_webClient.Post(new NewArticleRequest { Article = article });
}
catch (Exception ex)
{
throw new DataServiceException(new FaultDto(ex.Message, ex.ToString()));
}
}
public ArticleViewModel(ArticleDto articleDto, IClientService clientService)
: this(clientService)
{
ArticleDto = articleDto;
}